Home / 20,197.67-30,302.68-10,343.92

Finding the Fourth Proportional to 20,197.67, 30,302.68 and 10,343.92

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Solution

The fourth proportional to 20,197.67, 30,302.68 and 10,343.92 is: 15,519.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,197.67 : 30,302.68 = 10,343.92 : x
  2. Step 2: Convert to fraction form
    20,197.67/30,302.68 = 10,343.92/x
  3. Step 3: Cross multiply
    20,197.67x = 30,302.68 × 10,343.92
  4. Step 4: Simplify right side
    20,197.67x = 313,448,497.71
  5. Step 5: Solve for x
    x = 313,448,497.71/20,197.67
  6. Step 6: Final answer
    x = 15,519.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.